void doShow(CommandArgs e)
        {
            string running = String.Join(", ", Running.Select(t => t.Name));

            if (String.IsNullOrEmpty(running))
            {
                e.Player.SendInfoMessage("No timelines are currently running.");
            }
            else
            {
                e.Player.SendInfoMessage($"Currently running timelines: {running}.");
            }
        }